Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative
Patent
1989-01-30
1991-09-03
Wieder, Kenneth
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Nonquantitative
361 96, H02H 308
Patent
active
050457780
ABSTRACT:
An inrush restraint in a fault indicator disables trip in response to the current in the cable being monitored changing from reset to trip values within a predetermined period.
REFERENCES:
patent: 3956670 (1976-05-01), Shimp
patent: 3959704 (1976-05-01), McRea
patent: 3996499 (1976-12-01), Gary
patent: 4002948 (1977-01-01), Gary
patent: 4224651 (1980-09-01), Allen
patent: 4246622 (1981-01-01), Hosoda
patent: 4404612 (1983-09-01), Hughes
patent: 4442472 (1984-04-01), Pang
Dillon Matthew G.
Thibodeau Joseph R.
Sigma Instruments Inc.
Solis Jose M.
Wieder Kenneth
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